(19)

(11)

EP 0 650 323 A1

(12)

(43) Date of publication: 03.05.1995 Bulletin 1995/18 (21) Application number: 93917099.0 (22) Date of filing: 12.07.1993

(51) International Patent Classification (IPC):  A01N 25/ 10( . ) A01N 25/ 24( . ) A01N 37/ 22( . ) A01N 47/ 34( . ) A01N 57/ 16( . ) A01N 25/ 12( . ) A01N 25/ 26( . ) A01N 47/ 10( . ) A01N 57/ 12( . ) (86) International application number: PCT/US1993/006517 (87) International publication number: WO 1994/000984 (20.01.1994 Gazette 1994/03)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 14.07.1992 US 19920913565 (71) Applicant: THE UNITED STATES OF AMERICA as represented by THE SECRETARY OF AGRICULTURE Washington, DC 20250-1400 (US)	(72) Inventors: SHASHA, Baruch, S. Peoria, IL 61614 (US) McGUIRE, Michael, R. Metamora, IL 61548 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät  Maximilianstrasse 58 D-80538 München D-80538 München (DE)